en_tn/2ki/08/20.md

Edom revolted from under the hand of Judah

AT: "The people of Edom rebelled against being controlled by the king of Judah." (See: rc://en/ta/man/translate/figs-idiom and rc://en/ta/man/translate/figs-synecdoche)

they set a king over themselves

"the Edomites appointed a king to rule over themselves"

Then Jehoram crossed over with his commanders and all his chariots

AT: "Then Jehoram crossed the enemy lines with his army and all their chariots." (See: rc://en/ta/man/translate/figs-explicitinfo)

It happened that he rose up at night and attacked and overwhelmed the Edomites, who had surrounded him and the commanders of the chariots

AT: "At night, Jehoram's army attacked the Edomites who had been surrounding them."